#include "controller.h"

int main()//程序入口
{
    Controller c;//声明一个Controller类
    c.Game();//整个游戏循环
    return 0;
}

#include <iostream>
#include <time.h>
#include <conio.h>
#include <windows.h>
#include "controller.h"
#include "tools.h"
#include "startinterface.h"
#include "map.h"
#include "snake.h"
#include "food.h"

void Controller::Start()//开始界面
{
    SetWindowSize(41, 32);//设置窗口大小
    SetColor(2);//设置开始动画颜色
    StartInterface *start = new StartInterface();//动态分配一个StartInterface类start
    start->Action();//开始动画
    delete start;//释放内存空间

    /*设置关标位置，并输出提示语，等待任意键输入结束*/
    SetCursorPosition(13, 26);
    std::cout << "Press any key to start... " ;
    SetCursorPosition(13, 27);
    system("pause");
}

void Controller::Select()//选择界面
{
    /*初始化界面选项*/
    SetColor(3);
    SetCursorPosition(13, 26);
    std::cout << "                          " ;
    SetCursorPosition(13, 27);
    std::cout << "                          " ;
    SetCursorPosition(6, 21);
    std::cout << "请选择游戏难度：" ;
    SetCursorPosition(6, 22);
    std::cout << "(上下键选择,回车确认)" ;
    SetCursorPosition(27, 22);
    SetBackColor();//第一个选项设置背景色以表示当前选中
    std::cout << "简单模式" ;
    SetCursorPosition(27, 24);
    SetColor(3);
    std::cout << "普通模式" ;
    SetCursorPosition(27, 26);
    std::cout << "困难模式" ;
    SetCursorPosition(27, 28);
    std::cout << "炼狱模式" ;
    SetCursorPosition(0, 31);
    score = 0;

    /*上下方向键选择模块*/
    int ch;//记录键入值
    key = 1;//记录选中项，初始选择第一个
    bool flag = false;//记录是否键入Enter键标记，初始置为否
    while ((ch = getch()))
    {
        switch (ch)//检测输入键
        {
        case 72://UP上方向键
            if (key > 1)//当此时选中项为第一项时，UP上方向键无效
            {
                switch (key)
                {
                case 2:
                    SetCursorPosition(27, 22);//给待选中项设置背景色
                    SetBackColor();
                    std::cout << "简单模式" ;

                    SetCursorPosition(27, 24);//将已选中项取消我背景色
                    SetColor(3);
                    std::cout << "普通模式" ;

                    --key;
                    break;
                case 3:
                    SetCursorPosition(27, 24);
                    SetBackColor();
                    std::cout << "普通模式" ;

                    SetCursorPosition(27, 26);
                    SetColor(3);
                    std::cout << "困难模式" ;

                    --key;
                    break;
                case 4:
                    SetCursorPosition(27, 26);
                    SetBackColor();
                    std::cout << "困难模式" ;

                    SetCursorPosition(27, 28);
                    SetColor(3);
                    std::cout << "炼狱模式" ;

                    --key;
                    break;
                }
            }
            break;

        case 80://DOWN下方向键
            if (key < 4)
            {
                switch (key)
                {
                case 1:
                    SetCursorPosition(27, 24);
                    SetBackColor();
                    std::cout << "普通模式" ;
                    SetCursorPosition(27, 22);
                    SetColor(3);
                    std::cout << "简单模式" ;

                    ++key;
                    break;
                case 2:
                    SetCursorPosition(27, 26);
                    SetBackColor();
                    std::cout << "困难模式" ;
                    SetCursorPosition(27, 24);
                    SetColor(3);
                    std::cout << "普通模式" ;

                    ++key;
                    break;
                case 3:
                    SetCursorPosition(27, 28);
                    SetBackColor();
                    std::cout << "炼狱模式" ;
                    SetCursorPosition(27, 26);
                    SetColor(3);
                    std::cout << "困难模式" ;

                    ++key;
                    break;
                }
            }
            break;

        case 13://Enter回车键
            flag = true;
            break;
        default://无效按键
            break;
        }
        if (flag) break;//输入Enter回车键确认，退出检查输入循环

        SetCursorPosition(0, 31);//将光标置于左下角，避免关标闪烁影响游戏体验
    }

    switch (key)//根据所选选项设置蛇的移动速度，speed值越小，速度越快
    {
    case 1:
        speed = 135;
        break;
    case 2:
        speed = 100;
        break;
    case 3:
        speed = 60;
        break;
    case 4:
        speed = 30;
        break;
    default:
        break;
    }
}

void Controller::DrawGame()//绘制游戏界面
{
    system("cls");//清屏

    /*绘制地图*/
    SetColor(3);
    Map *init_map = new Map();
    init_map->PrintInitmap();
    delete init_map;

    /*绘制侧边栏*/
    SetColor(3);
    SetCursorPosition(33, 1);
    std::cout << "Greedy Snake" ;
    SetCursorPosition(34, 2);
    std::cout << "贪吃蛇" ;
    SetCursorPosition(31, 4);
    std::cout << "难度：" ;
    SetCursorPosition(36, 5);
    switch (key)
    {
    case 1:
        std::cout << "简单模式" ;
        break;
    case 2:
        std::cout << "普通模式" ;
        break;
    case 3:
        std::cout << "困难模式" ;
        break;
    case 4:
        std::cout << "炼狱模式" ;
        break;
    default:
        break;
    }
    SetCursorPosition(31, 7);
    std::cout << "得分：" ;
    SetCursorPosition(37, 8);
    std::cout << "     0" ;
    SetCursorPosition(33, 13);
    std::cout << " 方向键移动" ;
    SetCursorPosition(33, 15);
    std::cout << " ESC键暂停" ;
}

int Controller::PlayGame()//游戏二级循环
{
    /*初始化蛇和食物*/
    Snake *csnake = new Snake();
    Food *cfood = new Food();
    SetColor(6);
    csnake->InitSnake();
    srand((unsigned)time(NULL));//设置随机数种子，如果没有 食物的出现位置将会固定
    cfood->DrawFood(*csnake);

    /*游戏循环*/
    while (csnake->OverEdge() && csnake->HitItself()) //判断是否撞墙或撞到自身，即是否还有生命
    {
        /*调出选择菜单*/
        if (!csnake->ChangeDirection()) //按Esc键时
        {
            int tmp = Menu();//绘制菜单，并得到返回值
            switch (tmp)
            {
            case 1://继续游戏
                break;

            case 2://重新开始
                delete csnake;
                delete cfood;
                return 1;//将1作为PlayGame函数的返回值返回到Game函数中，表示重新开始

            case 3://退出游戏
                delete csnake;
                delete cfood;
                return 2;//将2作为PlayGame函数的返回值返回到Game函数中，表示退出游戏

            default:
                break;
            }
        }

        if (csnake->GetFood(*cfood)) //吃到食物
        {
            csnake->Move();//蛇增长
            UpdateScore(1);//更新分数，1为分数权重
            RewriteScore();//重新绘制分数
            cfood->DrawFood(*csnake);//绘制新食物
        }
        else
        {
            csnake->NormalMove();//蛇正常移动
        }

        if (csnake->GetBigFood(*cfood)) //吃到限时食物
        {
            csnake->Move();
            UpdateScore(cfood->GetProgressBar()/5);//分数根据限时食物进度条确定
            RewriteScore();
        }

        if (cfood->GetBigFlag()) //如果此时有限时食物，闪烁它
        {
            cfood->FlashBigFood();
        }

        Sleep(speed);//制造蛇的移动效果
    }

    /*蛇死亡*/
    delete csnake;//释放分配的内存空间
    delete cfood;
    int tmp = GameOver();//绘制游戏结束界面，并返回所选项
    switch (tmp)
    {
    case 1:
        return 1;//重新开始
    case 2:
        return 2;//退出游戏
    default:
        return 2;
    }
}

void Controller::UpdateScore(const int& tmp)//更新分数
{
    score += key * 10 * tmp;//所得分数根据游戏难度及传人的参数tmp确定
}

void Controller::RewriteScore()//重绘分数
{
    /*为保持分数尾部对齐，将最大分数设置为6位，计算当前分数位数，将剩余位数用空格补全，再输出分数*/
    SetCursorPosition(37, 8);
    SetColor(11);
    int bit = 0;
    int tmp = score;
    while (tmp != 0)
    {
        ++bit;
        tmp /= 10;
    }
    for (int i = 0; i < (6 - bit); ++i)
    {
        std::cout << " " ;
    }
    std::cout << score ;
}

int Controller::Menu()//选择菜单
{
    /*绘制菜单*/
    SetColor(11);
    SetCursorPosition(32, 19);
    std::cout << "菜单：" ;
    Sleep(100);
    SetCursorPosition(34, 21);
    SetBackColor();
    std::cout << "继续游戏" ;
    Sleep(100);
    SetCursorPosition(34, 23);
    SetColor(11);
    std::cout << "重新开始" ;
    Sleep(100);
    SetCursorPosition(34, 25);
    std::cout << "退出游戏" ;
    SetCursorPosition(0, 31);

    /*选择部分*/
    int ch;
    int tmp_key = 1;
    bool flag = false;
    while ((ch = getch()))
    {
        switch (ch)
        {
        case 72://UP
            if (tmp_key > 1)
            {
                switch (tmp_key)
                {
                case 2:
                    SetCursorPosition(34, 21);
                    SetBackColor();
                    std::cout << "继续游戏" ;
                    SetCursorPosition(34, 23);
                    SetColor(11);
                    std::cout << "重新开始" ;

                    --tmp_key;
                    break;
                case 3:
                    SetCursorPosition(34, 23);
                    SetBackColor();
                    std::cout << "重新开始" ;
                    SetCursorPosition(34, 25);
                    SetColor(11);
                    std::cout << "退出游戏" ;

                    --tmp_key;
                    break;
                }
            }
            break;

        case 80://DOWN
            if (tmp_key < 3)
            {
                switch (tmp_key)
                {
                case 1:
                    SetCursorPosition(34, 23);
                    SetBackColor();
                    std::cout << "重新开始" ;
                    SetCursorPosition(34, 21);
                    SetColor(11);
                    std::cout << "继续游戏" ;

                    ++tmp_key;
                    break;
                case 2:
                    SetCursorPosition(34, 25);
                    SetBackColor();
                    std::cout << "退出游戏" ;
                    SetCursorPosition(34, 23);
                    SetColor(11);
                    std::cout << "重新开始" ;

                    ++tmp_key;
                    break;
                }
            }
            break;

        case 13://Enter
            flag = true;
            break;

        default:
            break;
        }

        if (flag)
        {
            break;
        }
        SetCursorPosition(0, 31);
    }

    if (tmp_key == 1) //选择继续游戏，则将菜单擦除
    {
        SetCursorPosition(32, 19);
        std::cout << "      " ;
        SetCursorPosition(34, 21);
        std::cout << "        ";
        SetCursorPosition(34, 23);
        std::cout << "        ";
        SetCursorPosition(34, 25);
        std::cout << "        ";
    }
    return tmp_key;
}

void Controller::Game()//游戏一级循环
{
    Start();//开始界面
    while (true)//游戏可视为一个死循环，直到退出游戏时循环结束
    {
        Select();//选择界面
        DrawGame();//绘制游戏界面
        int tmp = PlayGame();//开启游戏循环，当重新开始或退出游戏时，结束循环并返回值给tmp
        if (tmp == 1) //返回值为1时重新开始游戏
        {
            system("cls");
            continue;
        }
        else if (tmp == 2) //返回值为2时退出游戏
        {
            break;
        }
        else
        {
            break;
        }
    }
}

int Controller::GameOver()//游戏结束界面
{
    /*绘制游戏结束界面*/
    Sleep(500);
    SetColor(11);
    SetCursorPosition(10, 8);
    std::cout << "━━━━━━━━━━━━━━━━━━━━━━" ;
    Sleep(30);
    SetCursorPosition(9, 9);
    std::cout << " ┃               Game Over !!!              ┃" ;
    Sleep(30);
    SetCursorPosition(9, 10);
    std::cout << " ┃                                          ┃" ;
    Sleep(30);
    SetCursorPosition(9, 11);
    std::cout << " ┃              很遗憾！你挂了              ┃" ;
    Sleep(30);
    SetCursorPosition(9, 12);
    std::cout << " ┃                                          ┃" ;
    Sleep(30);
    SetCursorPosition(9, 13);
    std::cout << " ┃             你的分数为：                 ┃" ;
    SetCursorPosition(24, 13);
    std::cout << score ;
    Sleep(30);
    SetCursorPosition(9, 14);
    std::cout << " ┃                                          ┃" ;
    Sleep(30);
    SetCursorPosition(9, 15);
    std::cout << " ┃   是否再来一局？                         ┃" ;
    Sleep(30);
    SetCursorPosition(9, 16);
    std::cout << " ┃                                          ┃" ;
    Sleep(30);
    SetCursorPosition(9, 17);
    std::cout << " ┃                                          ┃" ;
    Sleep(30);
    SetCursorPosition(9, 18);
    std::cout << " ┃    嗯，好的        不了，还是学习有意思  ┃" ;
    Sleep(30);
    SetCursorPosition(9, 19);
    std::cout << " ┃                                          ┃" ;
    Sleep(30);
    SetCursorPosition(9, 20);
    std::cout << " ┃                                          ┃" ;
    Sleep(30);
    SetCursorPosition(10, 21);
    std::cout << "━━━━━━━━━━━━━━━━━━━━━━" ;

    Sleep(100);
    SetCursorPosition(12, 18);
    SetBackColor();
    std::cout << "嗯，好的" ;
    SetCursorPosition(0, 31);

    /*选择部分*/
    int ch;
    int tmp_key = 1;
    bool flag = false;
    while ((ch = getch()))
    {
        switch (ch)
        {
        case 75://LEFT
            if (tmp_key > 1)
            {
                SetCursorPosition(12, 18);
                SetBackColor();
                std::cout << "嗯，好的" ;
                SetCursorPosition(20, 18);
                SetColor(11);
                std::cout << "不了，还是学习有意思" ;
                --tmp_key;
            }
            break;

        case 77://RIGHT
            if (tmp_key < 2)
            {
                SetCursorPosition(20, 18);
                SetBackColor();
                std::cout << "不了，还是学习有意思" ;
                SetCursorPosition(12, 18);
                SetColor(11);
                std::cout << "嗯，好的" ;
                ++tmp_key;
            }
            break;

        case 13://Enter
            flag = true;
            break;

        default:
            break;
        }

        SetCursorPosition(0, 31);
        if (flag) {
            break;
        }
    }

    SetColor(11);
    switch (tmp_key)
    {
    case 1:
        return 1;//重新开始
    case 2:
        return 2;//退出游戏
    default:
        return 1;
    }
}

#include "food.h"
#include "tools.h"
#include <cstdlib>
#include <iostream>


void Food::DrawFood(Snake& csnake)//绘制食物
{
    /*利用rand函数获得坐标，并将其范围限制在2-29内，即在地图内，如果获得的坐标与蛇身重叠，则重新获取。
      同时每5颗食物就出现一颗限时食物*/
    while (true)
    {
        int tmp_x = rand() % 30;
        int tmp_y = rand() % 30;
        if(tmp_x < 2) tmp_x += 2;
        if(tmp_y < 2) tmp_y += 2;
        bool flag = false;
        for (auto& point : csnake.snake)
        {
            if ((point.GetX() == tmp_x && point.GetY() == tmp_y) || (tmp_x == big_x && tmp_y == big_y)) {
                flag = true;
                break;
            }
        }
        if (flag)
            continue;
        x = tmp_x;
        y = tmp_y;
        SetCursorPosition(x, y);
        SetColor(13);
        std::cout << "★" ;
        ++cnt;
        cnt %= 5;
        if (cnt == 0)
        {
            DrawBigFood(csnake);
        }
        break;
    }
}

void Food::DrawBigFood(Snake& csnake)//绘制限时食物
{
    SetCursorPosition(5, 0);
    SetColor(11);
    std::cout << "------------------------------------------" ;//进度条
    progress_bar = 42;
    while (true)
    {
        int tmp_x = rand() % 30;
        int tmp_y = rand() % 30;
        if(tmp_x < 2) tmp_x += 2;
        if(tmp_y < 2) tmp_y += 2;
        bool flag = false;
        for (auto& point : csnake.snake)
        {
            if ((point.GetX() == tmp_x && point.GetY() == tmp_y) || (tmp_x == x && tmp_y == y))
            {
                flag = true;
                break;
            }
        }
        if (flag)
            continue;

        big_x = tmp_x;
        big_y = tmp_y;
        SetCursorPosition(big_x, big_y);
        SetColor(18);
        std::cout << "■" ;
        big_flag = true;
        flash_flag = true;
        break;
    }
}

int Food::GetCnt()
{
    return cnt;
}

void Food::FlashBigFood()//闪烁限时食物
{
    SetCursorPosition(big_x, big_y);
    SetColor(18);
    if (flash_flag)
    {
        std::cout << "  " ;
        flash_flag = false;
    }
    else
    {
        std::cout << "■" ;
        flash_flag = true;
    }

    SetCursorPosition(26, 0);
    SetColor(11);
    for (int i = 42; i >= progress_bar; --i)//进度条缩短
        std::cout << "\b \b" ;
    --progress_bar;
    if (progress_bar == 0) {
        SetCursorPosition(big_x, big_y);
        std::cout << "  " ;
        big_flag = false;
        big_x = 0;
        big_y = 0;
    }
}

bool Food::GetBigFlag()
{
    return big_flag;
}

int Food::GetProgressBar()
{
    return progress_bar;
}

#include "map.h"
#include <windows.h>

void Map::PrintInitmap()//绘制初始地图
{
    for (auto& point : initmap)
    {
        point.Print();
        Sleep(10);//调用Sleep函数可营造动画效果
    }
}

#include "point.h"
#include "tools.h"
#include <iostream>

void Point::Print()//输出方块
{
    SetCursorPosition(x, y);
    std::cout << "■" ;
}

void Point::PrintCircular()//输出圆形
{
    SetCursorPosition(x, y);
    std::cout << "●" ;
}

void Point::Clear()//清除输出
{
    SetCursorPosition(x, y);
    std::cout << "  " ;
}

void Point::ChangePosition(const int x, const int y)//改变坐标
{
    this->x = x;
    this->y = y;
}

#include "snake.h"
#include <conio.h>
#include "tools.h"
#include <iostream>

void Snake::InitSnake()//初始化蛇
{
    for (auto& point : snake)
    {
        point.PrintCircular();
    }
}

void Snake::Move()//蛇增长
{
    switch (direction)
    {
    case Direction::UP:
        snake.emplace_back(Point(snake.back().GetX(), snake.back().GetY() - 1 ));
        break;
    case Direction::DOWN:
        snake.emplace_back(Point(snake.back().GetX(), snake.back().GetY() + 1 ));
        break;
    case Direction::LEFT:
        snake.emplace_back(Point(snake.back().GetX() - 1, snake.back().GetY() ));
        break;
    case Direction::RIGHT:
        snake.emplace_back(Point(snake.back().GetX() + 1, snake.back().GetY() ));
        break;
    default:
        break;
    }
    SetColor(14);
    snake.back().PrintCircular();
}

void Snake::NormalMove()//蛇正常移动，头增长，尾缩短
{
    Move();
    snake.front().Clear();
    snake.pop_front();
}

bool Snake::OverEdge()//超出边界
{
    return snake.back().GetX() < 30 &&
           snake.back().GetY() < 30 &&
           snake.back().GetX() > 1  &&
           snake.back().GetY() > 1;
}

bool Snake::HitItself()//撞到自身
{
    std::deque<Point>::size_type cnt = 1;
    Point *head = new Point(snake.back().GetX(), snake.back().GetY());//获得头部坐标
    for (auto& point : snake) //如果整条蛇中与蛇头不相同的坐标不等于蛇长，则意味着蛇头碰撞到自身
    {
        if ( !(point == *head) )
            ++cnt;
        else
            break;
    }
    delete head;
    if(cnt == snake.size())
        return true;
    else
        return false;
}

bool Snake::ChangeDirection()//改变方向
{
    char ch;
    if (kbhit())//kbhit函数返回值为两个，需注意
    {
        ch = getch();
        switch (ch)
        {
        case -32:
            ch = getch();
            switch (ch)
            {
            case 72:
                if (direction != Direction::DOWN)//如果方向与当前运动方向相反，无效
                    direction = Direction::UP;
                break;
            case 80:
                if (direction != Direction::UP)
                    direction = Direction::DOWN;
                break;
            case 75:
                if (direction != Direction::RIGHT)
                    direction = Direction::LEFT;
                break;
            case 77:
                if (direction != Direction::LEFT)
                    direction = Direction::RIGHT;
                break;
            default:
                break;
            }
            return true;

        case 27://ESC
            return false;

        default:
            return true;

        }
    }
    return true;
}

bool Snake::GetFood(const Food& cfood)
{
    if (snake.back().GetX() == cfood.x && snake.back().GetY() == cfood.y)
        return true;
    else
        return false;
}

bool Snake::GetBigFood(Food& cfood)
{
    if (snake.back().GetX() == cfood.big_x && snake.back().GetY() == cfood.big_y)
    {
        cfood.big_flag = false;
        cfood.big_x = 0;
        cfood.big_y = 0;
        SetCursorPosition(1, 0);
        std::cout << "                                                            " ;
        return true;
    }
    else
        return false;
}

#include "startinterface.h"
#include <windows.h>


void StartInterface::PrintFirst()//蛇从左边出现到完全出现的过程
{
    for (auto& point : startsnake)
    {
        point.Print();
        Sleep(speed);
    }
}

void StartInterface::PrintSecond()//蛇从左向右移动的过程
{
    for (int i = 10; i != 40; ++i) //蛇头需要从10移动到40
    {
        /*计算蛇头的下一个位置，并将其压入startsnake中，绘制出来，将蛇尾去掉*/
        int j = ( ((i-2)%8) < 4 )?( 15 + (i-2)%8 ) : ( 21 - (i-2)%8 );
        startsnake.emplace_back( Point(i, j) );
        startsnake.back().Print();
        startsnake.front().Clear();
        startsnake.pop_front();
        Sleep(speed);
    }
}

void StartInterface::PrintThird()//蛇从接触右边到消失的过程
{
    while ( !startsnake.empty() || textsnake.back().GetX() < 33 ) //当蛇还没消失或文字没移动到指定位置
    {
        if ( !startsnake.empty() ) //如果蛇还没消失，继续移动
        {
            startsnake.front().Clear();
            startsnake.pop_front();
        }
        ClearText();//清除已有文字
        PrintText();//绘制更新位置后的文字
        Sleep(speed);
    }
}

void StartInterface::PrintText()
{
    for (auto& point : textsnake)
    {
        if (point.GetX() >= 0)
            point.Print();
    }
}

void StartInterface::ClearText()
{
    for (auto& point : textsnake) //清除的同时将文字整体向右移动一格
    {
        if (point.GetX() >= 0)
            point.Clear();
        point.ChangePosition(point.GetX() + 1, point.GetY());
    }
}

void StartInterface::Action()
{
    PrintFirst();
    PrintSecond();
    PrintThird();
}

#include "tools.h"
#include <windows.h>
#include <stdio.h>

void SetWindowSize(int cols, int lines)//设置窗口大小
{
    system("title 贪吃蛇");//设置窗口标题
    char cmd[30];
    sprintf(cmd, "mode con cols=%d lines=%d", cols * 2, lines);//一个图形■占两个字符，故宽度乘以2
    system(cmd);//system(mode con cols=88 lines=88)设置窗口宽度和高度
}

void SetCursorPosition(const int x, const int y)//设置光标位置
{
    COORD position;
    position.X = x * 2;
    position.Y = y;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), position);
}

void SetColor(int colorID)//设置文本颜色
{
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), colorID);
}

void SetBackColor()//设置文本背景色
{
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),
                            FOREGROUND_BLUE |
                            BACKGROUND_BLUE |
                            BACKGROUND_GREEN |
                            BACKGROUND_RED );
}

#ifndef CONTROLLER_H
#define CONTROLLER_H


class Controller
{
public:
    Controller() : speed(200), key(1), score(0) {}
    void Start();
    void Select();
    void DrawGame();
    int PlayGame();
    void UpdateScore(const int&);
    void RewriteScore();
    int Menu();
    void Game();
    int GameOver();
private:
    int speed;
    int key;
    int score;
};
#endif // CONTROLLER_H

#ifndef FOOD_H
#define FOOD_H

#include "snake.h"
class Snake;
class Food
{
public:
    Food() : cnt(0), flash_flag(false), big_flag(false), x(0), y(0), big_x(0), big_y(0), progress_bar(0) {}
    void DrawFood(Snake&);
    void DrawBigFood(Snake&);
    int GetCnt();
    void FlashBigFood();
    bool GetBigFlag();
    int GetProgressBar();
private:
    int cnt;
    bool flash_flag;//闪烁标记
    bool big_flag;//是否有限时食物标记
    int x, y;
    int big_x, big_y;
    int progress_bar;//限时食物进度条
    friend class Snake;
};
#endif // FOOD_H

#ifndef MAP_H
#define MAP_H

#include <vector>
#include "point.h"

class Map
{
public:
    Map()//默认构造函数，将正方形各点压入initmap
    {
        initmap.emplace_back(Point(1, 1));
        initmap.emplace_back(Point(2, 1));
        initmap.emplace_back(Point(3, 1));
        initmap.emplace_back(Point(4, 1));
        initmap.emplace_back(Point(5, 1));
        initmap.emplace_back(Point(6, 1));
        initmap.emplace_back(Point(7, 1));
        initmap.emplace_back(Point(8, 1));
        initmap.emplace_back(Point(9, 1));
        initmap.emplace_back(Point(10, 1));
        initmap.emplace_back(Point(11, 1));
        initmap.emplace_back(Point(12, 1));
        initmap.emplace_back(Point(13, 1));
        initmap.emplace_back(Point(14, 1));
        initmap.emplace_back(Point(15, 1));
        initmap.emplace_back(Point(16, 1));
        initmap.emplace_back(Point(17, 1));
        initmap.emplace_back(Point(18, 1));
        initmap.emplace_back(Point(19, 1));
        initmap.emplace_back(Point(20, 1));
        initmap.emplace_back(Point(21, 1));
        initmap.emplace_back(Point(22, 1));
        initmap.emplace_back(Point(23, 1));
        initmap.emplace_back(Point(24, 1));
        initmap.emplace_back(Point(25, 1));
        initmap.emplace_back(Point(26, 1));
        initmap.emplace_back(Point(27, 1));
        initmap.emplace_back(Point(28, 1));
        initmap.emplace_back(Point(29, 1));
        initmap.emplace_back(Point(30, 1));
        initmap.emplace_back(Point(1, 2));
        initmap.emplace_back(Point(30, 2));
        initmap.emplace_back(Point(1, 3));
        initmap.emplace_back(Point(30, 3));
        initmap.emplace_back(Point(1, 4));
        initmap.emplace_back(Point(30, 4));
        initmap.emplace_back(Point(1, 5));
        initmap.emplace_back(Point(30, 5));
        initmap.emplace_back(Point(1, 6));
        initmap.emplace_back(Point(30, 6));
        initmap.emplace_back(Point(1, 7));
        initmap.emplace_back(Point(30, 7));
        initmap.emplace_back(Point(1, 8));
        initmap.emplace_back(Point(30, 8));
        initmap.emplace_back(Point(1, 9));
        initmap.emplace_back(Point(30, 9));
        initmap.emplace_back(Point(1, 10));
        initmap.emplace_back(Point(30, 10));
        initmap.emplace_back(Point(1, 11));
        initmap.emplace_back(Point(30, 11));
        initmap.emplace_back(Point(1, 12));
        initmap.emplace_back(Point(30, 12));
        initmap.emplace_back(Point(1, 13));
        initmap.emplace_back(Point(30, 13));
        initmap.emplace_back(Point(1, 14));
        initmap.emplace_back(Point(30, 14));
        initmap.emplace_back(Point(1, 15));
        initmap.emplace_back(Point(30, 15));
        initmap.emplace_back(Point(1, 16));
        initmap.emplace_back(Point(30, 16));
        initmap.emplace_back(Point(1, 17));
        initmap.emplace_back(Point(30, 17));
        initmap.emplace_back(Point(1, 18));
        initmap.emplace_back(Point(30, 18));
        initmap.emplace_back(Point(1, 19));
        initmap.emplace_back(Point(30, 19));
        initmap.emplace_back(Point(1, 20));
        initmap.emplace_back(Point(30, 20));
        initmap.emplace_back(Point(1, 21));
        initmap.emplace_back(Point(30, 21));
        initmap.emplace_back(Point(1, 22));
        initmap.emplace_back(Point(30, 22));
        initmap.emplace_back(Point(1, 23));
        initmap.emplace_back(Point(30, 23));
        initmap.emplace_back(Point(1, 24));
        initmap.emplace_back(Point(30, 24));
        initmap.emplace_back(Point(1, 25));
        initmap.emplace_back(Point(30, 25));
        initmap.emplace_back(Point(1, 26));
        initmap.emplace_back(Point(30, 26));
        initmap.emplace_back(Point(1, 27));
        initmap.emplace_back(Point(30, 27));
        initmap.emplace_back(Point(1, 28));
        initmap.emplace_back(Point(30, 28));
        initmap.emplace_back(Point(1, 29));
        initmap.emplace_back(Point(30, 29));
        initmap.emplace_back(Point(1, 30));
        initmap.emplace_back(Point(2, 30));
        initmap.emplace_back(Point(3, 30));
        initmap.emplace_back(Point(4, 30));
        initmap.emplace_back(Point(5, 30));
        initmap.emplace_back(Point(6, 30));
        initmap.emplace_back(Point(7, 30));
        initmap.emplace_back(Point(8, 30));
        initmap.emplace_back(Point(9, 30));
        initmap.emplace_back(Point(10, 30));
        initmap.emplace_back(Point(11, 30));
        initmap.emplace_back(Point(12, 30));
        initmap.emplace_back(Point(13, 30));
        initmap.emplace_back(Point(14, 30));
        initmap.emplace_back(Point(15, 30));
        initmap.emplace_back(Point(16, 30));
        initmap.emplace_back(Point(17, 30));
        initmap.emplace_back(Point(18, 30));
        initmap.emplace_back(Point(19, 30));
        initmap.emplace_back(Point(20, 30));
        initmap.emplace_back(Point(21, 30));
        initmap.emplace_back(Point(22, 30));
        initmap.emplace_back(Point(23, 30));
        initmap.emplace_back(Point(24, 30));
        initmap.emplace_back(Point(25, 30));
        initmap.emplace_back(Point(26, 30));
        initmap.emplace_back(Point(27, 30));
        initmap.emplace_back(Point(28, 30));
        initmap.emplace_back(Point(29, 30));
        initmap.emplace_back(Point(30, 30));
    }
    void PrintInitmap();//绘制初始地图
private:
    std::vector<Point> initmap;//保存初始地图
    /*Map类可自定义多种地图，只需将表示地图的各个点保存在相应的map中，并在Snake类中增加相应判断撞墙函数即可
    std::vector<Point> map1;
    std::vector<Point> map2;
    */
};
#endif // MAP_H

#ifndef POINT_H
#define POINT_H

class Point
{
public:
    Point(){}
    Point(const int x, const int y) : x(x), y(y) {}
    void Print();
    void PrintCircular();
    void Clear();
    void ChangePosition(const int x, const int y);
    bool operator== (const Point& point) { return (point.x == this->x) && (point.y == this->y); }
    int GetX(){ return this->x; }
    int GetY(){ return this->y; }
private:
    int x, y;
};
#endif // POINT_H

#ifndef SNAKE_H
#define SNAKE_H

#include <deque>
#include "point.h"
#include "food.h"

class Food;
class Snake
{
public:
    enum Direction {UP, DOWN, LEFT, RIGHT};

    Snake() {
        snake.emplace_back(14, 8);
        snake.emplace_back(15, 8);
        snake.emplace_back(16, 8);
        direction = Direction::DOWN;
    }
    void InitSnake();
    void Move();
    void NormalMove();
    bool OverEdge();
    bool HitItself();
    bool ChangeDirection();
    bool GetFood(const Food&);
    bool GetBigFood(Food&);
private:
    std::deque<Point> snake;
    Direction direction;
    friend class Food;//将Food类置为友元，以便访问其私有元素
};
#endif // SNAKE_H

#ifndef STRATINTERFACE_H
#define STARTINTERFACE_H

#include <deque>
#include <vector>
#include "point.h"

class StartInterface
{
public:
    StartInterface() : speed(35) {
        startsnake.emplace_back(Point(0,14));//Éß
        startsnake.emplace_back(Point(1,14));
        startsnake.emplace_back(Point(2,15));
        startsnake.emplace_back(Point(3,16));
        startsnake.emplace_back(Point(4,17));
        startsnake.emplace_back(Point(5,18));
        startsnake.emplace_back(Point(6,17));
        startsnake.emplace_back(Point(7,16));
        startsnake.emplace_back(Point(8,15));
        startsnake.emplace_back(Point(9,14));

        textsnake.emplace_back(Point(-26, 14));//S
        textsnake.emplace_back(Point(-25, 14));
        textsnake.emplace_back(Point(-27, 15));
        textsnake.emplace_back(Point(-26, 16));
        textsnake.emplace_back(Point(-25, 17));
        textsnake.emplace_back(Point(-27, 18));
        textsnake.emplace_back(Point(-26, 18));

        textsnake.emplace_back(Point(-23, 14));//N
        textsnake.emplace_back(Point(-23, 15));
        textsnake.emplace_back(Point(-23, 16));
        textsnake.emplace_back(Point(-23, 17));
        textsnake.emplace_back(Point(-23, 18));
        textsnake.emplace_back(Point(-22, 15));
        textsnake.emplace_back(Point(-21, 16));
        textsnake.emplace_back(Point(-20, 17));
        textsnake.emplace_back(Point(-19, 14));
        textsnake.emplace_back(Point(-19, 15));
        textsnake.emplace_back(Point(-19, 16));
        textsnake.emplace_back(Point(-19, 17));
        textsnake.emplace_back(Point(-19, 18));

        textsnake.emplace_back(Point(-17, 18));//A
        textsnake.emplace_back(Point(-16, 17));
        textsnake.emplace_back(Point(-15, 16));
        textsnake.emplace_back(Point(-14, 15));
        textsnake.emplace_back(Point(-14, 16));
        textsnake.emplace_back(Point(-13, 14));
        textsnake.emplace_back(Point(-13, 16));
        textsnake.emplace_back(Point(-12, 15));
        textsnake.emplace_back(Point(-12, 16));
        textsnake.emplace_back(Point(-11, 16));
        textsnake.emplace_back(Point(-10, 17));
        textsnake.emplace_back(Point(-9, 18));

        textsnake.emplace_back(Point(-7, 14));//K
        textsnake.emplace_back(Point(-7, 15));
        textsnake.emplace_back(Point(-7, 16));
        textsnake.emplace_back(Point(-7, 17));
        textsnake.emplace_back(Point(-7, 18));
        textsnake.emplace_back(Point(-6, 16));
        textsnake.emplace_back(Point(-5, 15));
        textsnake.emplace_back(Point(-5, 17));
        textsnake.emplace_back(Point(-4, 14));
        textsnake.emplace_back(Point(-4, 18));

        textsnake.emplace_back(Point(-2, 14));//E
        textsnake.emplace_back(Point(-2, 15));
        textsnake.emplace_back(Point(-2, 16));
        textsnake.emplace_back(Point(-2, 17));
        textsnake.emplace_back(Point(-2, 18));
        textsnake.emplace_back(Point(-1, 14));
        textsnake.emplace_back(Point(-1, 16));
        textsnake.emplace_back(Point(-1, 18));
        textsnake.emplace_back(Point(0, 14));
        textsnake.emplace_back(Point(0, 16));
        textsnake.emplace_back(Point(0, 18));
    }
    void PrintFirst();
    void PrintSecond();
    void PrintThird();
    void PrintText();
    void ClearText();
    void Action();
private:
    std::deque<Point> startsnake;//开始动画中的蛇
    std::vector<Point> textsnake;//开始动画中的文字
    int speed;//动画的速度
};
#endif // STRATINTERFACE_H

#ifndef TOOLS_H
#define TOOLS_H


void SetWindowSize(int cols, int lines);
void SetCursorPosition(const int x, const int y);
void SetColor(int colorID);
void SetBackColor();

#endif // TOOLS_H